1992 Johnson Evinrude "EN" 40 thru 55 Service Manual, P/N 508143, Page 102Get this manual
FUEL SYSTEM TROUBLE CHECK CHART
ENGINE WILL NOT START
STARTS, WILL NOT IDLE
WILL NOT IDLE SLOWLY,
SPITS AT IDLE, LEAN
ENGINE RICH AT IDLE
EXCESSIVE OIL USE
STALLS ON ACCELERATION
SURGES AT HIGH SPEED
RUNS RICH AT HIGH SPEED